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You are here: Home > Pistons > Probe Forged Pistons > SRS - Sportsman Race Series > Chevrolet > Chevrolet - LS Series > Dome Top
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LS Series LS7 LT1

Dome top pistons in a Chevrolet LS Series engine will generally provide compression ratios in the 13.0:1 range which makes them a good option for racing engines, either naturally aspirated or with nitrous oxide, aluminum heads and larger than stock camshafts.

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Probe Forged Pistons
Probe SRS Series - Chevrolet LS Series - Dome - 1.050 C/H - 4.065 Base Bore - +9.5cc -.927 Pin - 15° Head

P/N: 8133-3-15041
  • V/R for 15° Heads
  • 1.050 Compression Height
  • 4.125 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.065, 4.070, 4.075, 4.080
Price includes pistons, pins, locks and oil rail spacers (as required).
Probe Forged Pistons
Probe SRS Series - Chevrolet LS Series - Dome - 1.110 C/H - 4.000 Base Bore - +10.0cc -.927 Pin - 15° Head

P/N: 8132-3-15045
  • V/R for 15° Heads
  • 1.110 Compression Height
  • 4.000 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.005, 4.030, 4.040, 4.125
Price includes pistons, pins, locks and oil rail spacers (as required).
Probe Forged Pistons
Probe SRS Series - Chevrolet LS Series - Dome - 1.110 C/H - 4.065 Base Bore - +11.8cc -.927 Pin - 15° Head

P/N: 8133-3-15042
  • V/R for 15° Heads
  • 1.110 Compression Height
  • 4.000 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin Diameter<
  • 1.5 1.5 3.0 Rings
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.065, 4.070, 4.075, 4.080
Price includes pistons, pins, locks and oil rail spacers (as required).
Probe Forged Pistons
Probe SRS Series - Chevrolet LS7 - Dome - 1.055 C/H - 4.125 Base Bore - +5.5cc -.927 Pin - 12° Heads

P/N: 8134-3-25063
  • V/R for 12° LS7 Heads
  • 1.055 Compression Height
  • 4.125 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.130, 4.135, 4.155
Price includes pistons, pins, locks and oil rail spacers (as required).
Probe Forged Pistons
Probe SRS Series - Chevrolet LS7 - Dome - 1.110 C/H - 4.125 Base Bore - +5.5cc -.927 Pin - 12° Heads

P/N: 8134-3-25062
  • V/R for 12° LS7 Heads
  • 1.110 Compression Height
  • 4.000 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.130, 4.135, 4.155
Price includes pistons, pins, locks and oil rail spacers (as required).
Probe Forged Pistons
Probe SRS Series - Chevrolet LT1 Series - Dome - 1.300 C/H - 4.065 Base Bore - +0.6cc -.927 Pin - 2014-16 LT1 15° Head

P/N: 8135-3-35069
  • V/R for Gen III LT1 15° Heads
  • 1.300 Compression Height
  • 3.622 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.065, 4.070
Price includes pistons, pins, locks and oil rail spacers (as required).